package com.fengye.algorithms.huawei;

import java.util.Scanner;

/**
 * @Author fengye
 * @Date 2023/4/7 10:27
 **/
public class IntOneMemeryNuber {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        // 注意 hasNext 和 hasNextLine 的区别
        while (in.hasNextInt()) { // 注意 while 处理多个 case
            int a = in.nextInt();
            if (a == 0) {
                System.out.println(0);
                continue;
            }
            String str = Integer.toBinaryString(a);
            char[] chars = str.toCharArray();
            int num = 0;
            for (Character c : chars) {
                if (c.equals('1')) {
                    num++;
                }
            }
            System.out.println(num);
        }
    }
}
